Abstract

The temperature dependences of electrical conductivity and dielectric permittivity of (AS) 1− x (AgSbS 2) x , (A=Ge, Sn, Pb) were investigated by means of impedance measurements in the frequency range between 10 −2 and 10 5 Hz and at temperatures between 78 and 500 K. In all, investigated chalcogenides ionic conductivity (Ag +) was found. The onset of ionic transport was found at 120–350 K, depending on the composition. The complex impedance and admittance plots, the electrical properties and the X-ray structure data are given.

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